package com.javaee.ex05;

public class CalculatorImpl implements Calculator {
    @Override
    public int add(int i, int j) {
        int result = i + j;
        System.out.println("方法内部, result=" + result);
        return result;
    }
    @Override
    public int sub(int i, int j) {
        int result = i - j;
        System.out.println("方法内部, result=" + result);
        return result;
    }
    private void sub(int i, int j, int k) {
        int result = i - j;
        System.out.println("方法内部, result=" + result);
    }
    @Override
    public int mul(int i, int j) {
        int result = i * j;
        System.out.println("方法内部, result=" + result);
        return result;
    }
    @Override
    public int div(int i, int j) {
        int result = i / j;
        System.out.println("方法内部, result=" + result);
        return result;
    }
}
